Concessão da patente
#16.1
03/29/1983
RPI 649
The letters patent expired on 07/13/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 03/29/1983. We update with every new RPI gazette, published weekly.
Applicants
U. C. (pessoa física)
US
Inventors
N. S. (pessoa física)
US
IPC Classification
Priority claims
US
699.397 · 06/24/1976
US
797.666 · 05/17/1977
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/29/1983
RPI 649
#13.1
01/11/1983
RPI 638
#9.1
08/24/1982
RPI 618
#6.1
03/02/1982
RPI 593
#21.1
07/13/1993
RPI 1180
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